CC85LD24

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Contactors are electromechanical devices that have been used in electrical control circuits since the early days of electricity. The CC85LD24 is a modern contactor designed to provide reliable service in demanding industrial applications. This guide explains the application field and working principle of the CC85LD24.

Application Field and Specifications

The CC85LD24 is designed for use in industrial applications that require a reliable contactor. It is a single-pole, normally open, industrial contactor suitable for controlling motorized loads from 0.75 kW up to 15kW. It is rated for a UL 98 overload rating and is capable of carrying 400% of its rated current for up to 5 minutes. It has a temperature rating of -25°C/-13°F to 65°C/149°F and a UL/TUV Class 2 rating of 65A/400V. It also has a power factor of 0.9 and an immediate pick-up.

This contactor is ideal for use in air conditioners, pumps, compressors, and other motorized load applications. It can be used to control motors in a wide range of systems including light and heavy-duty machinery, heating, ventilation, and air conditioning systems, or factory automation and control systems.

Working Principle

The CC85LD24 contactor is an electromechanical device that is comprised of an electrical coil, an armature, and a contact assembly. The electrical coil is energized when the desired conditions have been met. This energizing creates an electromagnetic field which pulls the armature down, which in turn closes the contacts.

When a sufficient current is allowed to flow through the coil, it creates a magnetic field which attracts the armature and causes it to move towards the contact assembly. This motion causes the contacts to be closed, thereby allowing current to flow to the motorized load. The armature is then locked into place by a mechanism known as the latches. When the current is no longer required, the coil is de-energized, which causes the latches to open and the armature to be released, breaking the contact and disallowing the current flow to the motorized load.

The CC85LD24 can be used in traction applications as it is designed to handle heavy duty loads. It has a built-in thermal overload protection circuit which is triggered when the current is too high and trips the contactor, thus protecting the motor from damage. The CC85LD24 is an ideal choice for industrial applications where reliable performance is needed.

Conclusion

The CC85LD24 is a reliable and efficient contactor designed to provide reliable service in demanding industrial applications. It is capable of handling high current loads for up to 5 minutes and has a built in thermal overload protection circuit. The contactor employs a simple working principle that utilizes its electrical coil, armature, and contact assembly to provide a controlled flow of current to a motorized load. It is an ideal choice for a variety of industrial applications where reliable performance is necessary.

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